Radio Wave Reradiation/Reflection TRIZ Cases

GPS-based patrol vehicle speed detection eliminates proprietary interface complexity for accurate target tracking.

Dynamic measurement time periods in each range gate resolve the trade-off between distance resolution and relative velocity accuracy for FM pulse radar systems.

Ambient WiFi signals reflect off targets to enable covert tracking without active querying, while Kalman filters maintain precision.

Frequency stacking bandwidth reconstruction enables SDRadar platforms to achieve high range resolution while reducing hardware complexity and cost.

A radar antenna gain control block modulates EIRP via digital processing to avoid saturation without increasing noise figure.

A phase-conjugate target emulation method swaps normal and ghost sideband components using frequency-shifting transponders to transmit accurate radar signals.

A rotating phased array antenna generates stacked beams in elevation and azimuth using dispersive rows and digital beam forming.

Signal processing device calculates phase changes in complex reception signals to correct Doppler echo outputs.

A radar integration processor accumulates signal data across multiple scans to detect targets with small radar cross sections.

A detection antenna transmits frequency modulated signals to calculate interception parameters for automatic avoidance maneuvers.

A radar apparatus uses multiple detection modes with distinct frequency change rates to extract and compare peak signal components.

A radar apparatus applies phase rotation to digital transmission and reception pulse signals to correct in-phase and quadrature component errors.

Segmented two-dimensional filtering with tapered coefficients maintains detection reliability while reducing noise impact on power level measurements.

A target detection apparatus sets reliability based on continuous overlap time between radar and image sensors.

A radar device pairs up and down frequency peaks using a signal processor that calculates Mahalanobis distance between detected peaks.

Multi-radar arrays generate voxel profiles to resolve close targets without tags, enabling accurate posture and shape discrimination.

A signal separation unit extracts components consistent with a phase gradient model from radar images to enable precise deformation analysis.

Signal processor identifies standstill upper objects to separate them from ground targets, preventing erroneous pairing of reflected waves from truss bridges.

Processor fuses radar reflection data with vertical travel metrics to generate instant height values for pilot display.

A transponder uses a single antenna for radar reception and transmission, applying signal compression to regenerate the incoming pulse.

A frequency modulated continuous wave radar device transmits crossbar waveform signals to extract speed and angle information from reflected echoes.

A network of continuous wave radars uses trilateration and mesh grid analysis to resolve range estimation limits while maintaining meter-level accuracy.

Maintains constant time and frequency offsets between non-coherent units, reducing digital processing complexity.

Segmenting transmitting antennas into subgroups reduces measurement time and minimizes image blurring during moving object scanning.

A radar control unit sets detection thresholds using order statistics from reference regions to identify targets.

A hydrographic model estimates sea clutter evolution to separate target echoes, reducing false alarms in strong sea conditions.

Multiple radio base stations perform trilateration on mobile stations, eliminating blind spots caused by urban shading and multipath signal interference.

A delay generator creates a delayed radar signal mixed with the original to estimate frequency sweep nonlinearity for compensation.

A radar controller synthesizes virtual phase differences from spaced antenna elements, resolving noise and sign ambiguity in direction determination.

A synthetic aperture radar system generates high-resolution images at near video rates using overlapped full-size apertures.

Aircraft share segmented spatio-temporal hazard data to extend detection range beyond onboard radar limits.

Interleaved dwell strategy re-visits surveillance areas to separate fleeting targets from correlated sea clutter, reducing false alarms.

Range gate pattern matching in MIMO radar systems estimates direction of arrival without precise antenna synchronization.

A radar system derives vessel velocity from stationary object clutter signals to correct navigation data discrepancies.

A speckle reduction process prepares synthetic aperture radar images for superpixel segmentation to improve terrain classification accuracy.

A hierarchical radar technique combines initial FFT detection with localized super-resolution algorithms to estimate object distances accurately.

An external Doppler radar unit measures road surface relative speed to determine host vehicle velocity.

A radar system detects interference by tracking extremal points in the beat signal to identify irregular periodicity patterns.

A multi-static radar system uses persistent illumination to detect target positions and characteristics within a large surveillance volume.

Shaped frequency pulses reduce spectral sidelobes and interference while maintaining high range resolution without excessive transmitter power.

A radar device computes radial acceleration using two-dimensional Fourier transform processing.

A radar device derives detection distances and acquires maximum and minimum reception power locations to identify target types.

Fiber optic rotary coupler transmits radar signals between rotating and stationary sections, eliminating waveguide phase errors.

Pipelined processing of horizontal radar cube slices reduces memory requirements while maintaining data completeness for target velocity analysis.

A radar processing system tracks range migration during a coherent interval to compute actual object velocities from single frames.

A ground-based system aggregates crowdsourced weather data from multiple aircraft to transmit targeted alerts via communication links.

A radar detection method groups pivot and grouped detections using a histogram to calculate temporal variations for kinematic consistency verification.

A vehicle radar system modulates second chirp signals with phase shifts to create wide synthetic apertures.

Continuous-wave radar uses parallax angles to calculate distances, resolving range resolution without increasing bandwidth consumption.